MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple embedded links, with one heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to 'cdr to pdf online conversion' and a URL that matches the malicious redirector. This suggests a phishing or redirection attempt disguised as a utility.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.ru/pify?keyword=cdr+to+pdf+online+conversion In PDF document text
- http://vonit.staidansolathe.org/uploads/1/3/1/0/131070356/23e8c68c8.pdfIn PDF document text
- http://files.mesajuniors.com/uploads/1/3/1/4/131438718/famexepewojiw.pdfIn PDF document text
- http://files.paperballoon.org.uk/uploads/1/3/1/4/131453950/lugawe.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6296/8991/files/paperofuxekeravepinotil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0866/2440/files/jpg_to_online_converter.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/1108/3160/files/adventure_capitalist_hacked.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1725/7628/files/bufabazok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4642/0132/files/38668022404.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0623/8613/files/xisozuvopixituzemereluji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8935/3118/files/romiroxovomowodej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sivuduveserekolagaxabulux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1960/7962/files/ximajug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8231/7975/files/17864108408.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6409/8970/files/56737435182.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0913/0143/files/buuga_barashada_af_soomaaliga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6277/8263/files/65227176288.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005a82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A82 | 4904 bytes |
SHA-256: 4e26e35886946d877f8be778aadd31c7c0a4532973616c4db75126275858b1ab |
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font_01_sfnt_off00006b47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B47 | 10324 bytes |
SHA-256: f6147085cd8ee4cf792ff050d5c95131872db8c8b0bfdafefe816c42efc4621b |
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font_02_sfnt_off00008ea0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8EA0 | 16076 bytes |
SHA-256: c497e7020956884876526f9a9d0138e4369f5c46b3391b62f16f330352c2bc8d |
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